第1个回答 2018-04-10
<HTML>
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!--
function test_f(){
if(img1.style.display == "block"){
img1.style.display = "none";
button1.value = "显示";
}else{
img1.style.display = "block";
button1.value = "隐藏";
}
}
//-->
</SCRIPT></HEAD>
<BODY>
<IMG id="img1" SRC="1035634757.jpg" style="display:none" WIDTH="250" HEIGHT="361" BORDER=0>
<INPUT id="button1" TYPE="button" value="显示" onclick="test_f();">
</BODY>
</HTML>
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